protected String dumpString()

in velocity-tools-generic/src/main/java/org/apache/velocity/tools/generic/EscapeTool.java [244:284]

40 lines of code
15 McCabe index (conditional complexity)


    protected String dumpString(String string, boolean key) {
        StringBuilder builder = new StringBuilder();
        int i = 0;
        if (!key && i < string.length() && string.charAt(i) == ' ') {
            builder.append("\\ "); //$NON-NLS-1$
            i++;
        }

        for (; i < string.length(); i++) {
            char ch = string.charAt(i);
            switch (ch) {
                case '\t':
                    builder.append("\\t"); //$NON-NLS-1$
                    break;
                case '\n':
                    builder.append("\\n"); //$NON-NLS-1$
                    break;
                case '\f':
                    builder.append("\\f"); //$NON-NLS-1$
                    break;
                case '\r':
                    builder.append("\\r"); //$NON-NLS-1$
                    break;
                default:
                    if ("\\#!=:".indexOf(ch) >= 0 || (key && ch == ' ')) {
                        builder.append('\\');
                    }
                    if (ch >= ' ' && ch <= '~') {
                        builder.append(ch);
                    } else {
                        String hex = Integer.toHexString(ch);
                        builder.append("\\u"); //$NON-NLS-1$
                        for (int j = 0; j < 4 - hex.length(); j++) {
                            builder.append("0"); //$NON-NLS-1$
                        }
                        builder.append(hex);
                }
            }
        }
        return builder.toString();
    }